HTC One A9 vs O2 XDA Trion

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

• Weight

  One A9: 17 g lighter

  One A9:

  143 g

  XDA Trion:

  160 g

• Width

  XDA Trion: 12.8 mm narrower

  One A9:

  70.8 mm

  XDA Trion:

  58 mm

• Screen diagonal

  XDA Trion: 2.2 in smaller diagonal

  One A9:

  5 in

  XDA Trion:

  2.8 in

• Depth

  One A9: 14.7 mm thinner

  One A9:

  7.3 mm

  XDA Trion:

  22 mm

• Height

  XDA Trion: 32.8 mm shorter

  One A9:

  145.8 mm

  XDA Trion:

  113 mm

• Release year

  One A9:

  2015

  XDA Trion:

  2006

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

1. 1. One A9

   Height:

   145.8 mm +32.8 mm versus XDA Trion

   Width:

   70.8 mm +12.8 mm versus XDA Trion

   Depth:

   7.3 mm

2. 2. XDA Trion

   Height:

   113 mm

   Width:

   58 mm

   Depth:

   22 mm +14.7 mm versus One A9

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

1. 1. One A9

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. XDA Trion

   Screen diagonal:

   2.8 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   24.3 cm²

One A9 has approximately 183.9% more rectangular screen area than XDA Trion.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

Battery capacity

Capacity is not battery life. No endurance test is implied.

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.